@book{140901,
	author = {Waddams Price, C. and Ferrari, A},
	title = {Affording gas and electricity},
	publisher = {Electricity Association},
	year = {2001},
	address = {Reino Unido},
	note = {Navegadores de Internet ; Adobe Acrobat (PDF)},
	url = {http://www.electricity.org.uk/media/documents/pdf/publications/affording_gas_and_e_summary.pdf}
}